- AdminJS uses main site session (no separate login)
- Login once at /auth/login → /admin accessible if role=admin
- Non-admin users redirected to /auth/login from /admin
- Removed separate AdminJS authentication (cookieName/cookiePassword)
- Added password_confirm field in user edit/new forms
- Validation: passwords must match, min 6 chars
- New user: password required
- Edit user: password optional (leave empty to keep)
- Virtual password field in AdminJS user edit form
- Auto-hashes with bcrypt on save (edit + new actions)
- Leave empty to keep current password
- Description hint in UI
- AdminJS at /admin with auth (admin role only)
- Manage: users, categories, tools, content blocks, settings
- DB tables: settings, categories, tools, content_blocks
- Users table: added role (user/admin) and is_blocked fields
- API: /api/settings, /api/tools, /api/content/:section
- Sidebar: admin link visible only for admin users
- Removed /logs from public routes (now in AdminJS)
- Video converter: fixed ffmpeg codecs for RPi5 (h264_v4l2m2m)
- Dependencies: sequelize, @adminjs/sequelize, mariadb
